A.

B.

C.

be designed with a vertical separation that ensures adequate sewage dispersal and treatment. Design factors to consider include, but are not limited to, effluent quality, loading rates, groundwater mounding if loading rates are in excess of those in part 7080.2150, subpart 3, item E, Table IX or IXa, loading methods, and soil conditions.

ISTS must not contaminate underground waters or zones of periodic saturation with viable fecal organisms.